Welcome to AFIATA.COM Information of basic electronic circuits for repair and project
[ Content | Sidebar ]

Posts tagged 555

Making TV remote control blocker

Make circuit electronics TV remote control blocker Circuit diagram of this function shifts the frequency of 38 kHz TV remote and the remote will be jammed. This is necessary to set the 10K potentiometer while pointing the device at your TV to block the IR rays from the remote. This can be done by trial […]

Circuit Diagram Converter trigger signal causes the 555 to discharge the capacitor for synchronization

LM1881 is used to do all the grunt work of separating the sync signals from the composite video. The chip provides the vertical sync on pin 3 for the vertical oscillator, and composite sync on pin 1 for the horizontal oscillator. The intensity signal comes from the composite video signal itself, but is negative. I […]

Resolve a cramped raster on SONY TV KV21GPX?

Ouman asked: I have replaced the vertical deflection IC and checked all possible capacitors and resistors. Still no luck. No circuit diagram. American origin. Thanks Pete. I do remove caps and test with proper cap tester. Will follow your advice. Middle to top cramp with bit of a foldover on top. Frustrating! I keep grinding […]

3 way light switch wiring diagram

Switch Wiring Diagrams

audio speakers

audio speakers using lm3876

How the principle of data and program memory ic robot ?

This chapter is partly tutorial and partly technical, and additional references to document the background of digital electronics. The information presented here should be considered optional, because it does not really need to know to build a robot. Hopefully though, this chapter will satisfy most readers’ curiosity about how the hardware works Lego Robot. The […]

Privacy Policy - Sitemap

Disclaimer